Evanston, WY Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE	102340
WIND COND.	140 7.6

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Weather Quick Facts

The highest monthly average temperature in Evanston for July is 68.4 degrees
The lowest monthly average temperature in Evanston for January is 21.4 degrees
The most monthly precipitation in Evanston occurs in May with 1.9 inches
The air quality index in Evanston is 5% worse than the national average
The pollution index in Evanston is 67% better than the national average

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Evanston Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	13°F	31°F	21°F	0.4"
February	16°F	33°F	24°F	0.4"
March	23°F	43°F	32°F	0.5"
April	28°F	52°F	39°F	0.9"
May	36°F	62°F	48°F	1.9"
June	45°F	75°F	60°F	0.8"
July	53°F	84°F	68°F	0.5"
August	51°F	82°F	66°F	0.9"
September	43°F	72°F	56°F	1.3"
October	33°F	58°F	44°F	0.9"
November	23°F	45°F	33°F	0.5"
December	14°F	31°F	22°F	0.4"

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Evanston air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Evanston	Wyoming	National
Air quality index	44	39	42
Pollution index	902,446	1,779,975	2,726,193

Evanston air quality

Measurement	Total
Days measured	365
Days with good air quality	315
Days with moderate air quality	49
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.001%
Lead	0.010%
Mercury	0.000%

Average monthly Evanston temperature with heat index

Evanston monthly precipitation with daily maximum

Evanston monthly snow depth with daily maximum

Evanston monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bear River, WY	968	44	12.0%
Evanston, WY	11,727	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Oskaloosa, IA	11,727	39	22.0%
Coldstream, BC	11,728	n/a
Webster, MA	11,719	40	20.0%
Florham Park, NJ	11,719	51	2.0%
Wanaque, NJ	11,719	51	2.0%
Evanston, WY	11,727	44	12.0%

Source: The Evanston, WY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.